Alley in Pisa, Italy

by Lars Kotthoff

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

An important aspect of the photographic vocabulary, produced by focus selection, limitations of depth of field, optical qualities, subject motion, camera motion, or other technical problems.

learn more… | top users | synonyms

1
vote
1answer
124 views

Nikon D3000 Blurry Pictures. Focus Issue?

Here are two examples: Both pictures are in NEF format here. The pictures have not been modified in any way except except for being resized and converted to PNG. Just for kicks (and to prove I'm ...
3
votes
1answer
126 views

Human perception in color mixing

Look at this image: 50% of its pixels are blue (0, 0, 255), 50% of its pixels are yellow (255, 255, 0). When I look at my computer display from a distance where I cannot distinguish the ...
0
votes
2answers
159 views

Why is only right half of this photo blurred?

I took this from a moving bike. To my surprise, only right part of the image (letters) is blurred. I couldn't explain why. If you need, here's a bigger image with all the metadata.
6
votes
4answers
903 views

Why is my lens only somewhat sharp near the center and very blurry on the edges?

I bought a canon 50-250mm IS lens (for my T1i), maybe two years ago and haven't used it much, but whenever I do, I always regret using it. Pictures are blurry, the depth of field too shallow and so ...
0
votes
1answer
106 views

Night photo with Leica 25mm: blur at f/1.4 [duplicate]

I have an Olympus OMD EM5 and a Leica 25mm which takes wonderful pictures in daylight. I was trying to take night pictures with this setup and I had the following results (after several tries and ...
-1
votes
2answers
81 views

How can I best add depth sharpness with Adobe Photoshop?

I've made a nice picture with my smartphone, but I would like to have a more focused picture (sharp focus and blurred background). How can I do this in Photoshop to obtain the best result? Things I ...
5
votes
3answers
4k views

Why does my Canon 7D get blurry pictures with a 70-200mm f/2.8 IS (series 1)?

I'm wondering if it's normal for a Canon 7D with its crop sensor to get unsharp pictures with a 70-200mm 2.8? I just bought a used 70-200 and it seems a little bit blurry. Maybe it needs calibration? ...
6
votes
1answer
1k views

Which Lensbaby Sweet 35 or Edge 80 effects are harder to reproduce post-processing?

I want some suggestions from Lensbaby users. I have the plastic optic, double glass and fisheye optic. I use the composer. The recent new optics: Sweet 35 and Edge 80 seem very intriguing and I ...
3
votes
5answers
638 views

Can a photo with nothing in focus be considered to have bokeh?

This photo was accidentally captured by me. Can it be considered to have bokeh? I am confused, because it does not have any foreground in focus.
7
votes
7answers
907 views

Does a larger sensor resolution increase the difficulty of shooting hand-held?

I'm thinking of upgrading to a D800 and I think I read something about the 36MP resolution of the sensor to be a liability when hand-holding the camera at lower shutter speeds. Unfortunately I cannot ...
2
votes
1answer
139 views

Why is my Rebel XTi taking blurry photos?

I noticed how my Canon Rebel XTi started to take blurry photos. My pictures aren't as sharp as before. I am using the same settings as I did when it took perfect pictures. What could be wrong with the ...
2
votes
3answers
162 views

Is it normal to have to take multiple photos to end with up one good one?

When I was using a point-and-shoot, I often ended up with blurry photos, so I got into the habit of taking two or three photos so that at least one will come out good. A few months back, I upgraded ...
3
votes
1answer
256 views

Was the background blur in this image done with a Petzval lens?

I am interested to know how the background blur in this image was done. Is it a petzval lens?
0
votes
2answers
138 views

sharpen blurred photo

I have a large number of photos that have been taken, which are blurred, some out of focus and some from camera shake. I need to sharpen these photos but photoshops (cs5) tools just aren't good ...
1
vote
2answers
716 views

DPP output is not sharp

I am using DPP (Digital Photo Professional by Canon) for post processing. Not sure what is wrong with it, but every time I produce an image (.JPEG) out of raw (.CR2) file, it turns blurry. I tried all ...
-2
votes
3answers
148 views

How to fix blurry pictures taken with sony digital camera [duplicate]

I have some pictures taken with my sony digital camera.They are blurry,Is there any way to fix that?
21
votes
3answers
2k views

Why would one shoot a fully blurred picture?

Focus and blur have a reason in a picture when they come together. Blur alone is just a loss of an important element in the photography art, unless it has a reason, like obscuring nudity or creating ...
33
votes
12answers
6k views

How can I take shallow depth of field photos with a point-and-shoot camera?

I have a compact digital camera, and in macro mode I can manage to achieve a blurred background, if the background is far enough away. Can this be done when taking non-macro pictures, and if not, is ...
2
votes
4answers
2k views

Blurry pictures when zooming in

I have a 3 month old Nikon D5100. The closer I zoom in, the blurrier the picture. This is on auto. I have two lenses and they are both doing this. Any ideas why?
1
vote
2answers
89 views

In an out-of-focus photo, why do lights look different than normal/dark areas?

In an image that is out-of-focus on purpose, e.g. on a night photo of a street, why do the spotlights look so much different than the usual focus blur? Such spots tend to have sharper edges/shapes ...
-2
votes
4answers
534 views

What causes blurred/non-sharp images taken of stable objects?

I know about two important reasons which are motioning or shaking camera/hands and dust and dirt on you lens but if you have fixed them and still you have blurred/non-sharp results, what can be the ...
13
votes
3answers
3k views

What equipment and settings do I use for panning shots of moving objects?

How do you go about getting great panning shots of things like cars and bicycles so that the background is nice and blurred but the target is sharp as can be. I have tried on many occasion to do ...
2
votes
1answer
762 views

Blurred images with Canon 1100D

I have a Canon 1100D which I bought last year. The Image quality used to be good. Recently I have noticed that the images are fairly blurred. Even if I use short shutter, stable base for the camera ...
0
votes
1answer
218 views

How to take picture with blur background using FujiFilm HS10 [duplicate]

I tried a lot to take portrait pictures with blur background using my FujiFilm HS10 but haven't succeeded yet. I use f2.8 but still cannot get the effect. Can any of the experts give me any ...
2
votes
1answer
75 views

Are there any good “dispersion blur” image filters?

I would like to obtain an effect where pixels get spreaded locally. I tried to reproduce how such a filter would look, I hope you get the idea: before: after: Note: here I ran a blur, aded ...
17
votes
5answers
1k views

Should I switch off image stabilization when photographing my 2 year old?

A large percentage of my photos of my 2 year old appear to be blurred. I know one of the problems is that she will not sit still for a second, but I am using a fast shutter speed. Could IS be ...
3
votes
4answers
20k views

How can I fix an out-of-focus blurred photo in Photoshop?

How can I fix this picture? Somebody else took this picture and well he wasn't able to do it very well, and it's blurred. I have photoshop
6
votes
3answers
8k views

How does Photoshop CS6's deblur feature work?

This video shows a sneak peek of a new Photoshop feature for Creative Suite 6, called 'deblur', which is able to take a blurry image and make it sharper: http://www.youtube.com/watch?v=xxjiQoTp864 ...
34
votes
15answers
6k views

How can I maximize the “blurry background, sharp subject” (bokeh) effect?

I know that this effect occurs when there's a shallow depth of field. My question is, what are the various ways I can increase this effect in my photos when I'm taking them? Note that I'm not ...
4
votes
3answers
163 views

How can I defocus part of an image in-camera separate from depth of field effects?

What physical tools (lenses/filters/etc) can be used to blur a part of an image whilst taking the photo. (I don't mean software filters in post-processing, and I want to blur selective areas ...
1
vote
1answer
251 views

How do I remove the blur in my jewelry picture?

I took this pic with my Canon EOS 550D, using a tripod and artificial lighting. I don't understand why the image is blurred when viewed at 100%. There was no digital zoom. What should I do to get a ...
5
votes
4answers
576 views

How was this blurry background, sharp motorbike effect achieved?

In this photo nominated as Canon Australia Photo of the Week, the background seems to blur while the rider is sharp. Wouldn't this normally be the other way? How was this done?
10
votes
2answers
2k views

How can I undo an intentional Gaussian blur when I don't have the originals?

I have a bunch of old pictures which I had performed a Gaussian blur on to use in a competition years ago and have now realised I do not own the originals anymore. Does anyone know of a tool out there ...
11
votes
3answers
1k views

How can I repair missed focus in a valuable photo?

The subject in my photo isn't properly focused. I can't take it again because this activity documentation photo can't be redone. I've tried many solutions such as using shadow/highlight in Photoshop, ...
-2
votes
1answer
71 views

Moving subject picture [duplicate]

Can anyone please explain me how to achieve this kind of pictures? link
0
votes
2answers
85 views

how to make this but for pictures instead of videos? [duplicate]

I found this nice video about showing subjects focused and the background blurred or viceversa http://www.youtube.com/watch?v=h7wa-pd6PJU However, its for video only, the question is how to make it ...
4
votes
2answers
401 views

Why does text in a photograph become blurry when I downscale the image?

Recently I created a website where I sell books. I captured some images with a Canon EOS 550, and then I resized them according to the website space, but when I resized the original picture, then the ...
6
votes
2answers
3k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and depth that you can achieve. That is great in a lot of scenarios, but not in all. When filming a ...
3
votes
4answers
510 views

Why is this aerial picture of an airplane in flight not blurry?

So this might be more a physics question but I was wondering why the plane isn't blurry in this satellite photo? I am assuming the its traveling quite fast! ...
2
votes
4answers
254 views

Can average and gaussian blur be caused by optics?

I am studying Gaussian blur and average blur. I have been told that this blur can be caused by some camera effects. For example Gaussian Blur can be caused by camera jitters (fast micro vibrations) ...
1
vote
2answers
2k views

Why are images with my Nikon D7000 and 70-200mm lens soft?

I'm having trouble getting sharp pictures with my D7000. I've tried it with a 70-200 and 18-70 and produce the same results. I've tried AF Fine Tune with one of those focus charts, but the value of 0 ...
1
vote
5answers
5k views

Is it possible to re-focus (recover) an intentionally blurred image?

I have an image which I have modified through Picasa ( using Soft Focus - essentially I am making the faces blurred ). Question is : If I upload that photo to Facebook, and a user downloads it from ...
15
votes
6answers
5k views

How does background blur (bokeh) relate to sensor size?

This is a somewhat theoretical question. Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5). Now suppose I exchange the camera ...
8
votes
2answers
657 views

How can I “focus peak” a photograph?

Does an application exist where I can input an image and then the application indicates what parts of the image are in focus? I imagine it as a sort of post-process focus peaking.
10
votes
2answers
905 views

How to stop a high F number from appearing blurry?

I have been out taking some evening photos (just after sunset) and I have noticed that in a number of instances the higher f numbers ( 14+ ) are appearing more blurred than the lower f numbers ( < ...
2
votes
1answer
217 views

Is there any tool to easily blur a picture?

Hey I'm new on that part of the stackexchange and I'm wondering if you guys know a tool to generate a blurry version of a picture, an online tool would be perfect. I don't know anything about design ...
13
votes
1answer
2k views

What's the difference between Bokeh and Gaussian Blur?

I have heard multiple times in photography, the words Bokeh, and Gaussian Blur. To me, it seems that the words are used almost interchangeably, but in some instances, I have heard them contrasted. ...
1
vote
2answers
802 views

How to get blurry backlights but sharp focused front face [duplicate]

Possible Duplicate: How can I maximise that “blurry background, sharp subject” (bokeh) effect? How can I take shallow depth of field photos with a point-and-shoot camera? I have simple ...
17
votes
2answers
2k views

Why is image stabilisation making images unsharp?

During vacations and travel I tend to use my Nikon D90 and a 18-200 VR (image stabilisation) lens. I was very annoyed (and had no explanation) when I found images to be unsharp, which had be made in ...
0
votes
1answer
517 views

How to record videos with blurred background with Nikon D5100 [closed]

Has anyone tried to shoot videos with blurred backgrounds using the Nikon D5100. I am trying to shoot cooking video, but with the a blurred background. I have 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom ...